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4.3=12                   7.3=21                   3.5=15                  9:3=3                     6:3=2

1.3=3                     9.3=27                   5.3=15                  21:3=7                   3:3=1

10.3=30               3.3=9                     3.2=6                     24:3=8                   15:3=5

8.3=24                  6.3=18                   2.3=6                     18:3=6                   30:3=10